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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE-2024-48927

Medium
4.6/10

Summary

Umbraco, a free and open source .NET content management system, has a remote code execution issue in versions 8.0.0 through 8.18.14, 10.0.0-rc1 through 10.8.6, and 13.0.0-rc1 through 13.5.1. There is a potential risk of code execution for Backoffice users when they "preview" SVG files in full-screen mode. As a workaround, server-side file validation is available to strip script tags from the file's content during the file upload process.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • REQUIRED
  • LOW
  • LOW
  • NONE

CWE-79 - Cross Site Scripting

Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.

References

Advisory Timeline

  • Published